| Canada Provinces and Territories | 0 | - | 5.00 | 338,678 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,682 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,300 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,941 |
| North America Map Quiz | 0 | - | 4.98 | 245,171 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,429 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,727 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,168 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,399 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,135 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,991 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,178 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,040 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,500 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,981 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,181 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,579 |
| Central American Countries | 0 | - | 4.98 | 155,222 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,256 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,286 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,980 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,211 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,170 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,595 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,134 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,740 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,930 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,517 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,213 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,249 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,879 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,940 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,226 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,287 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,429 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,339 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,019 |
| Territories of the United States | 0 | - | 4.79 | 52,190 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,424 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,717 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,826 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,531 |
| New York City Geography | 0 | - | 4.42 | 32,968 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,400 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,423 |
| Old West History | 0 | - | 4.33 | 15,232 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,498 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,864 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,658 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,288 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,137 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,208 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,147 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,606 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,620 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,275 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,174 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,624 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,072 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,997 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,287 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,537 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,061 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,136 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,123 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,658 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,543 |
| 75 Americans Named John | 0 | - | 4.41 | 23,834 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,841 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,364 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,826 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,453 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,932 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,232 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,455 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,381 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,434 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,191 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,969 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,655 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,994 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,794 |
| Name the English Monarchs | 0 | - | 4.92 | 498,804 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,608 |
| American Inventions #1 | 0 | - | 3.63 | 31,468 |
| American Inventions #2 | 0 | - | 3.93 | 15,835 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,701 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,661,881 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,444 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,000 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,176 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,504 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,987 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,040 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,498 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,111 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,498 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,956 |
| Name that Greek Letter | 0 | - | 4.94 | 321,976 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,477 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,215 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,630 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,368 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,757 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 54,039 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,052 |
| Which Island in the United States? | 0 | - | 4.29 | 29,223 |
| American Foods | 0 | - | 3.66 | 39,294 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,115 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,028 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,675 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,223 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,818 |
| U.S. Analogies | 0 | - | 4.27 | 19,620 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,189 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,600 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,405 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,193 |
| US States with the Most Executions | 0 | - | 4.51 | 26,356 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,948 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,678 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,088 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,046 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,603 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,682 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,009 |
| Canada Decoder | 0 | - | 4.12 | 18,665 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,959 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,163 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,107 |
| History of Russia Quiz | 0 | - | 4.49 | 31,808 |
| The Trojan War | 0 | - | 4.83 | 39,478 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,779 |
| History of Italy | 0 | - | 4.55 | 31,856 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,138 |
| Roman Emperors | 0 | - | 4.95 | 118,691 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,509 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,016 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,624 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,380 |
| Australian Capitals | 0 | - | 4.92 | 62,611 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,608 |
| Famous Caribbean People | 0 | - | 4.37 | 12,572 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,949 |
| North America Cities by Map | 0 | - | 4.41 | 47,650 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,485 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,245 |
| California Multiple Choice | 0 | - | 4.40 | 28,052 |
| San Francisco Trivia | 0 | - | 4.32 | 15,667 |
| San Francisco A-Z | 0 | - | 4.18 | 9,530 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,169 |
| Boston City Trivia | 0 | - | 4.38 | 24,135 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,591 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,705 |
| Official European Union Languages | 0 | - | 4.97 | 237,196 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,055 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,787 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,176 |
| Ancient Greek Words | 0 | - | 4.92 | 110,865 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,595 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 42,661 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,243 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,256 |
| Countries by Founding Story | 0 | - | 4.95 | 76,655 |
| Independence from Whom | 0 | - | 4.99 | 209,988 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,950 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,080 |
| History of India | 0 | - | 4.61 | 21,309 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,502 |
| History of South Africa | 0 | - | 4.60 | 17,622 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,414 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,201 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,882 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,257 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,387 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,348 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,562 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,288 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,797 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,537 |
| Canada Country Quiz | 0 | - | 4.55 | 131,867 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,720 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,699 |
| History of Austria | 0 | - | 4.70 | 17,774 |
| Geography of the French Empire | 0 | - | 4.45 | 26,961 |
| The French Revolution | 0 | - | 4.46 | 23,816 |
| History of France | 0 | - | 4.59 | 56,297 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,400 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,772 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,208 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,692 |
| The Vikings! | 0 | - | 4.46 | 28,261 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,224 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,939 |
| Geography of the British Empire | 0 | - | 4.48 | 39,526 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,132 |
| Asia Map Quiz | 0 | - | 4.99 | 908,366 |
